56409208 has 8 divisors (see below), whose sum is σ = 105767280. Its totient is φ = 28204600.

The previous prime is 56409203. The next prime is 56409253. The reversal of 56409208 is 80290465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56409203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3525568 + ... + 3525583.

It is an arithmetic number, because the mean of its divisors is an integer number (13220910).

Almost surely, 2^56409208 is an apocalyptic number.

It is an amenable number.

56409208 is a deficient number, since it is larger than the sum of its proper divisors (49358072).

56409208 is a wasteful number, since it uses less digits than its factorization.

56409208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051157 (or 7051153 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 56409208 is about 7510.6063669986. The cubic root of 56409208 is about 383.5158648452.

The spelling of 56409208 in words is "fifty-six million, four hundred nine thousand, two hundred eight".